Mechanical pencil



FIG. 1 is a front elevational view of a mechanical pencil showing my new design in an unlocked condition;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left side elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof in a locked condition;

FIG. 6 is a front elevational view thereof in a locked condition;

FIG. 7 is a top view thereof in the unlocked condition;

FIG. 8 is a bottom view thereof in the unlocked condition; and,

FIG. 9 is a top view thereof in the locked condition. 

The ornamental design for a mechanical pencil, as shown and described. 